This is the answer because this was the largest turning point in the war. When Germany invaded Russia, They were defeated in Stalingrad and the Red Army started to push the Germans back. This was not the best Idea by Hitler because he attacked during the Russian Winter and the main reason they attached Stalingrad was because the leader of Russia's name was in it.
A statement in the U.S. Constitution (Article I, Section 8) granting Congress the power to pass all laws necessary and proper for carrying out the enumerated list of powers.
